Cheap Flights from Sliac (SLD) to St. Louis (STL)

Popular airlines from Sliac (SLD) to St. Louis Lambert Intl. Airport (STL)

Frequently asked questions

How much does a flight from Sliac Airport (SLD) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight or cheap return flight from Sliac Airport (SLD) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sliac Airport (SLD) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from SLD to STL is , when there's less demand. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sliac Airport (SLD) to Lambert-St. Louis Intl. Airport (STL)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from SLD to STL. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Sliac Airport (SLD) to Lambert-St. Louis Intl. Airport (STL)?
Direct flights from Sliac Airport (SLD) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SLD to STL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sliac Airport (SLD) to Lambert-St. Louis Intl. Airport (STL)?
Book a flight from Sliac Airport (SLD) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sliac Airport (SLD) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from SLD to STL are generally more expensive. To lock in the best prices, start looking for flights as soon as possible. That said, if you can play around with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book a SLD to STL flight and hotel package?
You'll typically save money by booking a SLD to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred flights and accommodations, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Sliac Airport (SLD) to Lambert-St. Louis Intl. Airport (STL)?
Usually, it's possible to cancel or reschedule your SLD to STL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Sliac
Destination airport
Lambert-St. Louis Intl.
Distance
5021 mi

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Sliac to St. Louis Flights

The cheapest times to fly from Sliac to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sliac to St. Louis are during the month of . You can find some of the cheapest flights from Sliac to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sliac to St. Louis

Sunday is one of the best days to book for cheap flights from Sliac to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sliac to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sliac to St. Louis in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sliac to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sliac to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sliac to St. Louis Flights

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*Available to One Key members.